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18535097 = 725710303
BaseRepresentation
bin100011010110…
…1001010111001
31021212200101002
41012231022321
514221110342
61501134345
7313355120
oct106551271
937780332
1018535097
11a50a769
12625a3b5
133abc719
142666ab7
151961d32
hex11ad2b9

18535097 has 8 divisors (see below), whose sum is σ = 21267456. Its totient is φ = 15823872.

The previous prime is 18535087. The next prime is 18535103. The reversal of 18535097 is 79053581.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18535097 - 210 = 18534073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18535097.

It is not an unprimeable number, because it can be changed into a prime (18535037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3353 + ... + 6950.

It is an arithmetic number, because the mean of its divisors is an integer number (2658432).

Almost surely, 218535097 is an apocalyptic number.

It is an amenable number.

18535097 is a deficient number, since it is larger than the sum of its proper divisors (2732359).

18535097 is a wasteful number, since it uses less digits than its factorization.

18535097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10567.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 18535097 is about 4305.2406436807. The cubic root of 18535097 is about 264.6457685435.

The spelling of 18535097 in words is "eighteen million, five hundred thirty-five thousand, ninety-seven".

Divisors: 1 7 257 1799 10303 72121 2647871 18535097